RR Electro Tech manufactures Protection Type and Special Protection Current Transformers. The Protection Type and Special Protection Current transformers comes under tape insulated construction as seen in ring type and rectangular type and used for protection purpose. This comes under specification 10P10, 10P3, 5P10, PS class and thereon. It looks similar to ring type and rectangular type with tape insulated construction. The size and cost of the protection and PS class current transformer will abnormally vary from the normal current transformers. RR Electro Tech also manufactures electrical current and control transformers, switch gear, generator panel, electrical contractors, electrical dealers, etc.